![]() ![]() Body skin is always kept in moist due to secretion of mucin or mucus from skin mucous glands. In the ventral position of the trunk possess shorter 4 limbs with 4 tree digits and longer hind limbs with 5 webbed digits. Head: Head immediately follows broad trunk due to absent of neck. # 1 pair of extends hare or nostrils or nasal opening.# 1 pair of tympanum or eardrum and When summer start they become active again.īody is short and broad possesses head and trunk only due to absence of neck. They burry themselves into the deep mug and take rest. Hibernation: Is also called winter sleep. On moving from water to land or over rough ground the frog will crawl rather than leap.Ĭroaking: The sound made by the male frog during breeding season is called croaking. In the water the webbed hind feet provide a greater surface area for pushing backwards on the water. The strong extensor muscles of the thigh contract, extending the limb and thrusting the foot against the ground or against the water. Locomotion: The frog's powerful hind legs are adapted for both swimming and leaping. The distribution of frog is almost cosmopolitan nearby watery areas. Only those males who produce best croaking sound will be select by the females for copulation. In the group, there are more males than the female, only the males produces high pitch croaking sound to attract female. Nutritionally larva is herbivorous and adult is carnivorous or insectivorous.ĭuring breeding season usually at night, frogs gather nearby the pond or shallow water. Therefore easily respire by cutaneous respiration. The body skin is always in moist condition. It is completely solitary and free living animal but during rainy season always live in colony. On the land frog locomotes by jumping movement and in the water swims actively due to webbed foot. Later metamorphos into adult, the characters of larva are completely disappearing in the adult. Its tadpole larva is completely aquatic in habitat. Not produced by the frog itself, but taken from many of its insect prey in the wild and deposited in the skin.Īs a result, frogs raised in captivity (often for the pet market) lackĭefensive poison.Frog is an amphibian animal, it can live both in water and land. Of the Phyllobates genus are used in this manner, although all poisonĭart frogs have some level of toxicity. On the tips of arrows or darts of natives, in reality only the species Although poison dart frogs are known for their skin toxin, used Most frogs, it lays its eggs on land, usually under a rock in a mossyĪrea. Is found in dark moist areas, especially under rocks near streams. Within its native range, Dendrobates azureus It grows betweenģ and 4.5 cm in length and has a typical lifespan of 4-6 years in the Predators that the skin contains poisonous alkaloids. Has blue skin and black patches, which serve as a warning to would-be Dendrobates azureus is widely known as the Blue Poisonĭart Frog or by its Tirio Indian name, Okopipi. Ovary: reproductive gland that produces ova.ĭying poison arrow frog is a type of poisonĭart frog found in South America, specifically in the Sipaliwini District Oviduct: passage through which the egg leaves the body of the Uterus: female genital organ that holds the fertilized egg during Large intestine: part of the digestive tract between the smallĮreter: tube that carries the urine from the kidneys to the bladder.Ĭloaca: orifice shared by the urinary, genital and intestinal Small intestine: part of the digestive tract between the stomachĭorsal aorta: dorsal blood vessel that carries the blood from Spermatic canal: tube that carries sperm.Īdrenal gland: small gland on top of the kidney. Testicle: male sex organ which produces spermatozoa. Vena cava: blood vessel that carries the blood to the heart. Visual Dictionary - Copyright © 2005-2016 - All rights reserved. Voici le code UBB déjà fait, pour voir cette image sur votre Forum : ![]() Voici le code HTML déjà fait, pour voir cette image sur votre site web : Urogenital organs of the frog - Visual Dictionary - Copyright © 2005-2016 - All rights reserved. ![]()
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